How to check count of records in Adobe campaign Standard

Hi,

Currently we are sending exported data file from ACS to SFTP in a flat file where if the records are zero it was creating file with empty data which creating an issue.

In V6 we can use vars.recCount which provides the count to do it where its not working in ACS.

Can some one provide some work around on how to check the records count in Adobe campaign Standard of previous activity so that we can stop creating file itself in ACS.

Thanks,

Sivaramakumar P